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diff --git a/linux-x64/clang/include/llvm/Support/GraphWriter.h b/linux-x64/clang/include/llvm/Support/GraphWriter.h
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+//===- llvm/Support/GraphWriter.h - Write graph to a .dot file --*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a simple interface that can be used to print out generic
+// LLVM graphs to ".dot" files. "dot" is a tool that is part of the AT&T
+// graphviz package (http://www.research.att.com/sw/tools/graphviz/) which can
+// be used to turn the files output by this interface into a variety of
+// different graphics formats.
+//
+// Graphs do not need to implement any interface past what is already required
+// by the GraphTraits template, but they can choose to implement specializations
+// of the DOTGraphTraits template if they want to customize the graphs output in
+// any way.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_GRAPHWRITER_H
+#define LLVM_SUPPORT_GRAPHWRITER_H
+
+#include "llvm/ADT/GraphTraits.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/DOTGraphTraits.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cstddef>
+#include <iterator>
+#include <string>
+#include <type_traits>
+#include <vector>
+
+namespace llvm {
+
+namespace DOT { // Private functions...
+
+std::string EscapeString(const std::string &Label);
+
+/// \brief Get a color string for this node number. Simply round-robin selects
+/// from a reasonable number of colors.
+StringRef getColorString(unsigned NodeNumber);
+
+} // end namespace DOT
+
+namespace GraphProgram {
+
+enum Name {
+ DOT,
+ FDP,
+ NEATO,
+ TWOPI,
+ CIRCO
+};
+
+} // end namespace GraphProgram
+
+bool DisplayGraph(StringRef Filename, bool wait = true,
+ GraphProgram::Name program = GraphProgram::DOT);
+
+template<typename GraphType>
+class GraphWriter {
+ raw_ostream &O;
+ const GraphType &G;
+
+ using DOTTraits = DOTGraphTraits<GraphType>;
+ using GTraits = GraphTraits<GraphType>;
+ using NodeRef = typename GTraits::NodeRef;
+ using node_iterator = typename GTraits::nodes_iterator;
+ using child_iterator = typename GTraits::ChildIteratorType;
+ DOTTraits DTraits;
+
+ static_assert(std::is_pointer<NodeRef>::value,
+ "FIXME: Currently GraphWriter requires the NodeRef type to be "
+ "a pointer.\nThe pointer usage should be moved to "
+ "DOTGraphTraits, and removed from GraphWriter itself.");
+
+ // Writes the edge labels of the node to O and returns true if there are any
+ // edge labels not equal to the empty string "".
+ bool getEdgeSourceLabels(raw_ostream &O, NodeRef Node) {
+ child_iterator EI = GTraits::child_begin(Node);
+ child_iterator EE = GTraits::child_end(Node);
+ bool hasEdgeSourceLabels = false;
+
+ for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
+ std::string label = DTraits.getEdgeSourceLabel(Node, EI);
+
+ if (label.empty())
+ continue;
+
+ hasEdgeSourceLabels = true;
+
+ if (i)
+ O << "|";
+
+ O << "<s" << i << ">" << DOT::EscapeString(label);
+ }
+
+ if (EI != EE && hasEdgeSourceLabels)
+ O << "|<s64>truncated...";
+
+ return hasEdgeSourceLabels;
+ }
+
+public:
+ GraphWriter(raw_ostream &o, const GraphType &g, bool SN) : O(o), G(g) {
+ DTraits = DOTTraits(SN);
+ }
+
+ void writeGraph(const std::string &Title = "") {
+ // Output the header for the graph...
+ writeHeader(Title);
+
+ // Emit all of the nodes in the graph...
+ writeNodes();
+
+ // Output any customizations on the graph
+ DOTGraphTraits<GraphType>::addCustomGraphFeatures(G, *this);
+
+ // Output the end of the graph
+ writeFooter();
+ }
+
+ void writeHeader(const std::string &Title) {
+ std::string GraphName = DTraits.getGraphName(G);
+
+ if (!Title.empty())
+ O << "digraph \"" << DOT::EscapeString(Title) << "\" {\n";
+ else if (!GraphName.empty())
+ O << "digraph \"" << DOT::EscapeString(GraphName) << "\" {\n";
+ else
+ O << "digraph unnamed {\n";
+
+ if (DTraits.renderGraphFromBottomUp())
+ O << "\trankdir=\"BT\";\n";
+
+ if (!Title.empty())
+ O << "\tlabel=\"" << DOT::EscapeString(Title) << "\";\n";
+ else if (!GraphName.empty())
+ O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
+ O << DTraits.getGraphProperties(G);
+ O << "\n";
+ }
+
+ void writeFooter() {
+ // Finish off the graph
+ O << "}\n";
+ }
+
+ void writeNodes() {
+ // Loop over the graph, printing it out...
+ for (const auto Node : nodes<GraphType>(G))
+ if (!isNodeHidden(Node))
+ writeNode(Node);
+ }
+
+ bool isNodeHidden(NodeRef Node) {
+ return DTraits.isNodeHidden(Node);
+ }
+
+ void writeNode(NodeRef Node) {
+ std::string NodeAttributes = DTraits.getNodeAttributes(Node, G);
+
+ O << "\tNode" << static_cast<const void*>(Node) << " [shape=record,";
+ if (!NodeAttributes.empty()) O << NodeAttributes << ",";
+ O << "label=\"{";
+
+ if (!DTraits.renderGraphFromBottomUp()) {
+ O << DOT::EscapeString(DTraits.getNodeLabel(Node, G));
+
+ // If we should include the address of the node in the label, do so now.
+ std::string Id = DTraits.getNodeIdentifierLabel(Node, G);
+ if (!Id.empty())
+ O << "|" << DOT::EscapeString(Id);
+
+ std::string NodeDesc = DTraits.getNodeDescription(Node, G);
+ if (!NodeDesc.empty())
+ O << "|" << DOT::EscapeString(NodeDesc);
+ }
+
+ std::string edgeSourceLabels;
+ raw_string_ostream EdgeSourceLabels(edgeSourceLabels);
+ bool hasEdgeSourceLabels = getEdgeSourceLabels(EdgeSourceLabels, Node);
+
+ if (hasEdgeSourceLabels) {
+ if (!DTraits.renderGraphFromBottomUp()) O << "|";
+
+ O << "{" << EdgeSourceLabels.str() << "}";
+
+ if (DTraits.renderGraphFromBottomUp()) O << "|";
+ }
+
+ if (DTraits.renderGraphFromBottomUp()) {
+ O << DOT::EscapeString(DTraits.getNodeLabel(Node, G));
+
+ // If we should include the address of the node in the label, do so now.
+ std::string Id = DTraits.getNodeIdentifierLabel(Node, G);
+ if (!Id.empty())
+ O << "|" << DOT::EscapeString(Id);
+
+ std::string NodeDesc = DTraits.getNodeDescription(Node, G);
+ if (!NodeDesc.empty())
+ O << "|" << DOT::EscapeString(NodeDesc);
+ }
+
+ if (DTraits.hasEdgeDestLabels()) {
+ O << "|{";
+
+ unsigned i = 0, e = DTraits.numEdgeDestLabels(Node);
+ for (; i != e && i != 64; ++i) {
+ if (i) O << "|";
+ O << "<d" << i << ">"
+ << DOT::EscapeString(DTraits.getEdgeDestLabel(Node, i));
+ }
+
+ if (i != e)
+ O << "|<d64>truncated...";
+ O << "}";
+ }
+
+ O << "}\"];\n"; // Finish printing the "node" line
+
+ // Output all of the edges now
+ child_iterator EI = GTraits::child_begin(Node);
+ child_iterator EE = GTraits::child_end(Node);
+ for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i)
+ if (!DTraits.isNodeHidden(*EI))
+ writeEdge(Node, i, EI);
+ for (; EI != EE; ++EI)
+ if (!DTraits.isNodeHidden(*EI))
+ writeEdge(Node, 64, EI);
+ }
+
+ void writeEdge(NodeRef Node, unsigned edgeidx, child_iterator EI) {
+ if (NodeRef TargetNode = *EI) {
+ int DestPort = -1;
+ if (DTraits.edgeTargetsEdgeSource(Node, EI)) {
+ child_iterator TargetIt = DTraits.getEdgeTarget(Node, EI);
+
+ // Figure out which edge this targets...
+ unsigned Offset =
+ (unsigned)std::distance(GTraits::child_begin(TargetNode), TargetIt);
+ DestPort = static_cast<int>(Offset);
+ }
+
+ if (DTraits.getEdgeSourceLabel(Node, EI).empty())
+ edgeidx = -1;
+
+ emitEdge(static_cast<const void*>(Node), edgeidx,
+ static_cast<const void*>(TargetNode), DestPort,
+ DTraits.getEdgeAttributes(Node, EI, G));
+ }
+ }
+
+ /// emitSimpleNode - Outputs a simple (non-record) node
+ void emitSimpleNode(const void *ID, const std::string &Attr,
+ const std::string &Label, unsigned NumEdgeSources = 0,
+ const std::vector<std::string> *EdgeSourceLabels = nullptr) {
+ O << "\tNode" << ID << "[ ";
+ if (!Attr.empty())
+ O << Attr << ",";
+ O << " label =\"";
+ if (NumEdgeSources) O << "{";
+ O << DOT::EscapeString(Label);
+ if (NumEdgeSources) {
+ O << "|{";
+
+ for (unsigned i = 0; i != NumEdgeSources; ++i) {
+ if (i) O << "|";
+ O << "<s" << i << ">";
+ if (EdgeSourceLabels) O << DOT::EscapeString((*EdgeSourceLabels)[i]);
+ }
+ O << "}}";
+ }
+ O << "\"];\n";
+ }
+
+ /// emitEdge - Output an edge from a simple node into the graph...
+ void emitEdge(const void *SrcNodeID, int SrcNodePort,
+ const void *DestNodeID, int DestNodePort,
+ const std::string &Attrs) {
+ if (SrcNodePort > 64) return; // Eminating from truncated part?
+ if (DestNodePort > 64) DestNodePort = 64; // Targeting the truncated part?
+
+ O << "\tNode" << SrcNodeID;
+ if (SrcNodePort >= 0)
+ O << ":s" << SrcNodePort;
+ O << " -> Node" << DestNodeID;
+ if (DestNodePort >= 0 && DTraits.hasEdgeDestLabels())
+ O << ":d" << DestNodePort;
+
+ if (!Attrs.empty())
+ O << "[" << Attrs << "]";
+ O << ";\n";
+ }
+
+ /// getOStream - Get the raw output stream into the graph file. Useful to
+ /// write fancy things using addCustomGraphFeatures().
+ raw_ostream &getOStream() {
+ return O;
+ }
+};
+
+template<typename GraphType>
+raw_ostream &WriteGraph(raw_ostream &O, const GraphType &G,
+ bool ShortNames = false,
+ const Twine &Title = "") {
+ // Start the graph emission process...
+ GraphWriter<GraphType> W(O, G, ShortNames);
+
+ // Emit the graph.
+ W.writeGraph(Title.str());
+
+ return O;
+}
+
+std::string createGraphFilename(const Twine &Name, int &FD);
+
+template <typename GraphType>
+std::string WriteGraph(const GraphType &G, const Twine &Name,
+ bool ShortNames = false, const Twine &Title = "") {
+ int FD;
+ // Windows can't always handle long paths, so limit the length of the name.
+ std::string N = Name.str();
+ N = N.substr(0, std::min<std::size_t>(N.size(), 140));
+ std::string Filename = createGraphFilename(N, FD);
+ raw_fd_ostream O(FD, /*shouldClose=*/ true);
+
+ if (FD == -1) {
+ errs() << "error opening file '" << Filename << "' for writing!\n";
+ return "";
+ }
+
+ llvm::WriteGraph(O, G, ShortNames, Title);
+ errs() << " done. \n";
+
+ return Filename;
+}
+
+/// ViewGraph - Emit a dot graph, run 'dot', run gv on the postscript file,
+/// then cleanup. For use from the debugger.
+///
+template<typename GraphType>
+void ViewGraph(const GraphType &G, const Twine &Name,
+ bool ShortNames = false, const Twine &Title = "",
+ GraphProgram::Name Program = GraphProgram::DOT) {
+ std::string Filename = llvm::WriteGraph(G, Name, ShortNames, Title);
+
+ if (Filename.empty())
+ return;
+
+ DisplayGraph(Filename, false, Program);
+}
+
+} // end namespace llvm
+
+#endif // LLVM_SUPPORT_GRAPHWRITER_H